Convert HDR to PNG-32 Online
Convert HDR images to PNG32 format free, fast, and privately in your browser.
Drag & drop files here, or browse
Up to 20 images at once
How to convert HDR to PNG-32
Upload your files
Drag & drop or browse up to 20 HDR files at once.
Browser converts locally
Files convert to PNG-32 in your browser - nothing is uploaded anywhere.
Download results
Save files individually or download everything as a ZIP bundle.
Why use this converter
100% Private - Nothing Uploaded
Your HDR files never leave your device. All conversion happens locally inside your browser using WebAssembly. Zero server contact.
Batch + ZIP Download
Convert up to 20 HDR files to PNG32 at once and download them all as a single ZIP archive in one click.
Lossless Output Quality
PNG32 is a lossless format - every pixel from your HDR file is preserved exactly with no compression artifacts.
Instant Conversion
Your HDR files convert to PNG32 in seconds using WebAssembly - no waiting, no queues.
Frequently asked questions
Upload your HDR files by dragging them into the drop zone or clicking Browse. Select up to 20 files at once, then click Convert. Your files are processed locally in your browser and ready to download in seconds - no account or internet connection needed after the page loads.